23499143000 has 64 divisors (see below), whose sum is σ = 57882146400. Its totient is φ = 8904931200.

The previous prime is 23499142973. The next prime is 23499143011. The reversal of 23499143000 is 34199432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599399 + ... + 637398.

Almost surely, 2^23499143000 is an apocalyptic number.

23499143000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23499143000 is an abundant number, since it is smaller than the sum of its proper divisors (34383003400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23499143000 is a wasteful number, since it uses less digits than its factorization.

23499143000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236837 (or 1236823 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 23499143000 in words is "twenty-three billion, four hundred ninety-nine million, one hundred forty-three thousand".